<template>
  <div class="upload-container">
    <el-button
      :style="{ background: color, borderColor: color }"
      icon="el-icon-upload"
      size="mini"
      type="primary"
      @click="dialogVisible = true"
    >
      上传
    </el-button>
    <el-dialog :visible.sync="dialogVisible" append-to-body>
      <el-upload
        :multiple="true"
        :file-list="fileList"
        :show-file-list="true"
        :on-remove="handleRemove"
        :on-success="handleSuccess"
        :before-upload="beforeUpload"
        class="editor-slide-upload"
        :action="uploadURL"
        :headers="{
          Authorization: token,
        }"
        list-type="picture-card"
      >
        <el-button size="small" type="primary">
          点击上传
        </el-button>
      </el-upload>
      <div class="text-center">
        <el-button @click="dialogVisible = false">
          取消
        </el-button>
        <el-button type="primary" @click="handleSubmit">
          确认
        </el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { uploadURL } from '@/settings.js'
// import { getToken } from 'api/qiniu'

export default {
  name: 'EditorSlideUpload',
  props: {
    color: {
      type: String,
      default: '#1890ff'
    }
  },
  data() {
    return {
      uploadURL,
      dialogVisible: false,
      listObj: {},
      fileList: []
    }
  },
  computed: {
    token() {
      return this.$store.getters.userInfo.token
    },
    baseUrl() {
      return process.env.VUE_APP_API_PREFIX
    }
  },
  methods: {
    checkAllSuccess() {
      return Object.keys(this.listObj).every(
        (item) => this.listObj[item].hasSuccess
      )
    },
    handleSubmit() {
      console.log(this.listObj)
      const arr = Object.keys(this.listObj).map((v) => this.listObj[v])
      if (!this.checkAllSuccess()) {
        this.$message(
          '请上传'
        )
        return
      }
      this.$emit('successCBK', arr)
      this.listObj = {}
      this.fileList = []
      this.dialogVisible = false
    },
    handleSuccess(response, file) {
      const uid = file.uid
      console.log('response', response, file)
      console.log('file', file)
      console.log('this.listObj', this.listObj)
      const objKeyArr = Object.keys(this.listObj)
      console.log('objKeyArr', objKeyArr)
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        console.log(this.listObj[objKeyArr[i]])
        if (this.listObj[objKeyArr[i]].uid === uid) {
          this.listObj[objKeyArr[i]].url = this.baseUrl + response.data.url
          this.listObj[objKeyArr[i]].hasSuccess = true
          return
        }
      }
    },
    handleRemove(file) {
      const uid = file.uid
      const objKeyArr = Object.keys(this.listObj)
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        if (this.listObj[objKeyArr[i]].uid === uid) {
          delete this.listObj[objKeyArr[i]]
          return
        }
      }
    },
    beforeUpload(file) {
      console.log('before', file)
      const _self = this
      const _URL = window.URL || window.webkitURL
      const fileName = file.uid
      this.listObj[fileName] = {}
      const isMp4 = file.type === 'video/mp4'
      if (isMp4) {
        console.log(1)
      } else {
        return new Promise((resolve, reject) => {
          const img = new Image()
          img.src = _URL.createObjectURL(file)
          img.onload = function() {
            _self.listObj[fileName] = {
              hasSuccess: false,
              uid: file.uid,
              width: this.width,
              height: this.height
            }
          }
          resolve(true)
        })
      }
    }
  }
}
</script>

<style lang="scss" scoped>
.editor-slide-upload {
  margin-bottom: 20px;
  ::v-deep .el-upload--picture-card {
    width: 100%;
  }
}
</style>
<style lang="scss" scoped>
::v-deep .el-dialog__body{
  padding: 20px !important;
}
</style>
